Whether you’re a cinematographer, photographer, or even a painter, chances are good that you use some type of viewfinder to help visualize your subject. Maybe you like a professional grade director’s viewfinder, or perhaps you’re a little more old school and prefer an old fashioned cardboard cutout. With Viewfinder, you can have the best of both worlds in a single powerful, highly customizable, easy to use iPhone app. $17.99/Download here Use Viewfinder to quickly and easily compose your shot, choose your focal length, and a lot more before you ever reach for your equipment bag. It is the perfect companion for location scouting and for concept shoots. It makes so…